Screen Lock/Unlock; Charge The Player; Bluetooth - Ruizu D51 User Manual

6.Screen Lock/unlock

Press the power button to lock the screen. Repeat to unlock.

7.Charge the Player

1).By USB cable
Connect the mp3 player with computer by the USB cable can
both be used for data transfer and charging the player.
2).By connecting to charger(Not included)
Please note: The specifications of the charger must meet the
following requirements or any accident or failure happened will
be regarded as man-made damage.
Input: AC110-240V 50/60Hz Max:100mA
Output: DC5.0-5.5V 500mA-800mA

Bluetooth

Touch button with "Bluetooth" on main interface to access
to its function. "Please wait...." will displaying on the interface.
The mp3 player will auto search the Bluetooth device around.
All the Bluetooth device (including the history connected
Bluetooth device)will listed on the device menu. Choose the
right Bluetooth device and press the button to start connect.
After connected the mp3 player with Bluetooth speaker or
Bluetooth headset. Press back button return to main menu,
than enter to "Music" function and playing music. Than you can
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